PEIZO = PIEZO Piezo Ceramic Actuators, Motion Control

Piezo is often misspelled "Peizo". The piezo effect is often encountered in daily life, for example in piezo lighters, piezo loudspeakers and piezo buzzers. In addition to such simple applications, piezo technology has recently established itself in the automotive branch. Piezo-driven injection valves in diesel and gas engines react much faster than conventional solenoid valves, providing more power, quieter operation and lower emissions.
The term piezo is derived from the Greek word for pressure. In the late 1800's the Curies discovered that an electric potential could be generated by applying pressure to quarz crystals; this phenomenon was named the direct “piezo effect”. Later the inverse piezo effect was discovered; this is when, when piezo materials change shape in the presence of an electric field.

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